Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9be45929e5f32bd…

MALICIOUS

PDF

41.5 KB Created: 2020-08-23 05:53:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ba8548a253861be7387dbb94f10299f SHA-1: 39436a4c1f19b22aa9a96df16b9a9f6fe4e41ede SHA-256: d9be45929e5f32bdf40c8bd051e7189bcd2bb21c9b5d1036ef473d508afc2257
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm. One of the primary URLs, 'https://ttraff.ru/pify?keyword=driving+school+2017+apk+mod+3.+5', is identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'driving school' and appears to be a lure. The presence of numerous links, including those hosted on Shopify and other domains, suggests an attempt to distribute malicious content or phish users by obscuring the true destination through redirection.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=driving+school+2017+apk+mod+3.+5
    • http://luxoga.carlosgraysantana.com/uploads/1/3/1/4/131407178/aca98d802b0b.pdf
    • http://zelamugo.foundationscareercoaching.ca/uploads/1/3/1/4/131406437/xumikunevo.pdf
    • http://files.inessencecreative.com/uploads/1/3/1/1/131164556/wemeloluzufigis.pdf
    • http://kibifu.craftingwithapril.co/uploads/1/3/1/8/131857114/kutupene-doraniwub-rufavizimiw-fosupanene.pdf
    • https://cdn.shopify.com/s/files/1/0430/6331/2535/files/applications_of_c_programming_language.pdf
    • https://cdn.shopify.com/s/files/1/0428/2092/7655/files/49279627138.pdf
    • https://cdn.shopify.com/s/files/1/0432/3593/4370/files/80995563063.pdf
    • https://cdn.shopify.com/s/files/1/0437/9095/8749/files/dukupegerulu.pdf
    • https://cdn.shopify.com/s/files/1/0433/6877/5841/files/34129066945.pdf
    • https://cdn.shopify.com/s/files/1/0430/8933/0325/files/ffxiv_desynth_guide.pdf
    • https://cdn.shopify.com/s/files/1/0432/2145/0914/files/geragebitatusisugoguze.pdf
    • https://cdn.shopify.com/s/files/1/0433/2670/1723/files/gosolukakipufuwazalulunu.pdf
    • https://cdn.shopify.com/s/files/1/0434/8307/0630/files/saralo.pdf
    • https://cdn.shopify.com/s/files/1/0434/7042/2180/files/nelep.pdf
    • https://cdn.shopify.com/s/files/1/0430/5390/8117/files/98456119080.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005932.bin
6de3f6961ea8d83c07bb8c9c4ccfa267630cc1cfb68928805f5b0b47cef9b16f
pdf-font-stream PDF embedded font (sfnt) at offset 0x5932 6336 bytes
font_01_sfnt_off00006ea1.bin
d4ed4897cac276ad8b4432568dbc6a6dc4e77cab6327dc0d74daf3897b35b229
pdf-font-stream PDF embedded font (sfnt) at offset 0x6EA1 1704 bytes
font_02_sfnt_off00007722.bin
500c26e54212af88ece2df5c5c59cdc518e2c612a73ae7947a6dd47afe8b01b0
pdf-font-stream PDF embedded font (sfnt) at offset 0x7722 9888 bytes